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23aewe
what is an engine stroke?
2 stroke? 4 stroke? 6 stroke?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/23aewe/eli5_what_is_an_engine_stroke/
{ "a_id": [ "cgv1o5t" ], "score": [ 6 ], "text": [ "The **four** strokes are: \n\n**Intake**: The piston travels down the cylinder while the intake valve is opened to allow a mixture of fuel and air to enter the combustion chamber. \n\n**Compression**: The intake valve is closed and the piston tra...
[]
[]
[ [] ]
9gff2j
why do some places of the body (i.e the back) feel better while being rubbed than others?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9gff2j/eli5_why_do_some_places_of_the_body_ie_the_back/
{ "a_id": [ "e63ss5p" ], "score": [ 2 ], "text": [ "I could be wrong but I think it has to do with 1) soft touch receptors and 2) vulnerability of those parts. \n\n1) soft touch is perceived as pleasurable because we're a social species and so there's an evolutionary advantage to it. Certain touch...
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[]
[ [] ]
44xkpv
how can states like mi pass a law banning oral sex when the supreme court ruled them as unconstitutional?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/44xkpv/eli5_how_can_states_like_mi_pass_a_law_banning/
{ "a_id": [ "cztlfvi" ], "score": [ 2 ], "text": [ "Essentially, the legislature can attempt to pass any law they like, but any attempt to actually enforce that law would result in the law being struck down. \n\nAttempting to pass this newest law is just a pandering move to the voters, it's not re...
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[]
[ [] ]
azslyz
how does psychosis develop and affect the mind of the person?
I’m really interested in psychology and everything that revolves around our brain. I read a lot about general information on that topic and know someone who had one episode. what I still don’t understand is how the people affected by that illness or mental state get to that point and why mostly medication helps in thes...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/azslyz/eli5_how_does_psychosis_develop_and_affect_the/
{ "a_id": [ "ei9xzik", "eiaadmx", "eiam4pz" ], "score": [ 8, 4, 2 ], "text": [ "We really don't know, but as to a \"healthy\" mind switching the way it perceives the world quickly, just look at how psychedelic drugs are able to affect the mind (and other hallucinogens that act on t...
[]
[]
[ [], [], [] ]
f0au6z
why it easier to drive on fresh snow vs snow that has already been driven over?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/f0au6z/eli5_why_it_easier_to_drive_on_fresh_snow_vs_snow/
{ "a_id": [ "fgsh2h4", "fgsi119", "fgsx36n" ], "score": [ 18, 3, 3 ], "text": [ "Once the snow has been compacted by driving across it, a lot of the air that made it fluffy is gone. Hence making it more ice like. Grew up in snow, always looked for fresh snow to drive across.", ...
[]
[]
[ [], [], [] ]
219tgr
how there are still flat earth and new earth creationists.
I recently heard about flat earth creationists wanting equal airtime on "Cosmo's" I didnt even know they still existed. Science has taught us so much in the last couple of decades and there is hard evidence to go against flat or new earth creationism, we have even taken pictures to prove earth is not flat. Why are th...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/219tgr/eli5_how_there_are_still_flat_earth_and_new_earth/
{ "a_id": [ "cgazcpo", "cgb62s9" ], "score": [ 4, 3 ], "text": [ "Part of it is \"faith\" which is the absence of evidence. These people feel their version of faith is threatened by the truth (or currently accepted truth). They cling to it so tightly because if one thing is \"wrong,\" th...
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[ [], [] ]
1n9vcm
why there are people with birth defects, but not the opposite?
Think the movie unbreakable. People are born with allergies, diseases, weak bones, missing bones, mental retardation, etc etc. Are there people on the other end of the spectrum? If not, why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1n9vcm/eli5_why_there_are_people_with_birth_defects_but/
{ "a_id": [ "ccgnq29", "ccgnueo", "ccgnv8h" ], "score": [ 6, 3, 3 ], "text": [ "You mean people who are just generally hardy and tough? They aren't all that rare, really. ", "Check out \"Stan Lee's Super Humans\" Some people are born with 'extraordinary' abilities. ", "By t...
[]
[]
[ [], [], [] ]
4zplyb
why do passenger aircraft's seats and windows not line up?
Edit: so from what I understood from the large amounts of well composed and explained responses, is that aircraft manufacturers build the plane, and it's then sold to airline companies. Said company can adjust the space in between seats because they are on rails and it allows them to trade leg room for more seats and v...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4zplyb/eli5_why_do_passenger_aircrafts_seats_and_windows/
{ "a_id": [ "d6xprcs", "d6xpswj", "d6xryf6", "d6xseqd", "d6xsrag", "d6xvzcv", "d6xxi37", "d6xy1ju", "d6xzntz", "d6y02h7", "d6y5vpy", "d6y75z0", "d6y7728", "d6y87t9", "d6y8nak", "d6y8twj", "d6ya5j2", "d6ybeq0", "d6ydl5g", "d6ydvs6", "d...
[]
[]
[ [], [], [], [], [ "http://i.cdn.turner.com/money/infographic/luxury/how-do-airlines-legroom-compare/assets/legroom-anim-030116.gif" ], [], [], [ "http://airchive.com/blog/wp-content/uploads/2013/04/EVERETT-2013-777-RAW-FUSELAGE-1024x680.jpg" ], [], [], [], [], [], [], [ "...
fjoxv1
what is the significance of a country declaring a national emergency.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fjoxv1/eli5_what_is_the_significance_of_a_country/
{ "a_id": [ "fko66rs" ], "score": [ 5 ], "text": [ "While I can’t speak for other countries, what it does for the US is allow access to emergency funds that wouldn’t otherwise be available, as well as modify or waive different aspects of medical care, which will give people faster access to care b...
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[]
[ [] ]
anrhpz
why do federal, state, and local law enforcement agencies bicker over jurisdiction rather than just collaborating. don't they all want the same thing - justice?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/anrhpz/eli5_why_do_federal_state_and_local_law/
{ "a_id": [ "efvf8bo", "efvfdyb" ], "score": [ 3, 2 ], "text": [ "They do, but who dispenses that justice matters.\n\nEvery agency has to fight for tax dollar funding. If a good case comes your way, then you want to be the agency that \"solves\" it because it is something you can tout whe...
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[ [], [] ]
j436v
can someone explain to me how formula one works li5?
I occasionally watch that sport on tv, but I do not understand how it works. Last season the commentators said that BRAWN GP had the best car, and now they are saying that it's Red Bull. Why don't just they use the same car every season?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/j436v/can_someone_explain_to_me_how_formula_one_works/
{ "a_id": [ "c28yskh", "c28ysv5", "c28yvzs", "c28ywq8" ], "score": [ 3, 3, 2, 22 ], "text": [ "New technology is easy for teams to harness, and it is improving all the time. Teams have to harness the new technology in order to create superior engines and machines compared t...
[]
[]
[ [], [], [], [] ]
fjgac5
how do 0% or negative interest rates affect an average person (who has a mortgage and a lil bit of savings in an account)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fjgac5/eli5_how_do_0_or_negative_interest_rates_affect/
{ "a_id": [ "fkmuvyx", "fko107k" ], "score": [ 2, 3 ], "text": [ "They don't really affect the consumer directly. Those are rates set by national banks and are usually only that low in weird and temporary situations. They are not rates at which ordinary people can borrow money.\n\nHoweve...
[]
[]
[ [], [] ]
g3prio
if the huge amounts of water evaporates during the drought, why aren’t there more clouds and thus more rains?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/g3prio/eli5_if_the_huge_amounts_of_water_evaporates/
{ "a_id": [ "fnszjh6" ], "score": [ 3 ], "text": [ "Water evaporates into the sky. Winds pull the not quite yet clouds away to other places. \n\nEvaporated water go woosh." ] }
[]
[]
[ [] ]
5n3pxu
if energy can neither be created nor destroyed; only converted, what energy is converted to kinetic energy of a pin that accelerates towards a magnet as a magnet approaches it (assuming level surface, of course)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5n3pxu/eli5_if_energy_can_neither_be_created_nor/
{ "a_id": [ "dc8g6ag", "dc8kdf0" ], "score": [ 10, 4 ], "text": [ "Potential energy. Someone put the magnet and pin close to another but seperated. Thus he transformed kinetic energy into potential energy. Which then is re transformed by the magnet into kinetic energy accelerating the pin ...
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[]
[ [], [] ]
48w87c
if you're swimming in open ocean and a lightening bolt hits the water, how far from the 'impact' must you be for you not to feel a shock?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/48w87c/eli5_if_youre_swimming_in_open_ocean_and_a/
{ "a_id": [ "d0n38u0" ], "score": [ 4 ], "text": [ "This is more of an r/askscience question which will be referred to r/theydidthemath because this is entirely based on the resistance of the seawater and anything else in the ocean and the voltage of the lightning bolt responsible. " ] }
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[ [] ]
9hoqch
why are animals like birds and monkeys much louder than humans, even though their bodies and airways are much smaller than humans?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9hoqch/eli5_why_are_animals_like_birds_and_monkeys_much/
{ "a_id": [ "e6di1y5", "e6drklv", "e6dsule", "e6dya77" ], "score": [ 97, 16, 13, 4 ], "text": [ "[Top 7 Loudest Animals](_URL_1_)\n\n* Humans: 120 db ( [Loudest Shout](_URL_0_) )\n* Bird: 100 db ( Three Wattled Bell Bird )\n* Monkey: 140 db ( Howler Monky )\n\nAs for why hu...
[]
[]
[ [ "https://www.belfasttelegraph.co.uk/news/northern-ireland/worlds-loudest-shout-belongs-to-northern-ireland-teacher-28559417.html", "https://www.thedodo.com/7-animals-who-love-it-loud-785605994.html" ], [], [], [] ]
bmrpcz
why does movement look more blurry at night or at least in the dark than in the day
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bmrpcz/eli5_why_does_movement_look_more_blurry_at_night/
{ "a_id": [ "emz9gd4" ], "score": [ 2 ], "text": [ "you have two types of receptors in your eyes, called rods and cones\n\ncones are your colour detectors, and are active at higher light levels. The rods are monochromatic, and are more active at low light levels (this is why colours tend to be was...
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[ [] ]
5x13n1
why is bureaucracy in india so stifling, and why does it seem to be accepted by everyday people?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5x13n1/eli5_why_is_bureaucracy_in_india_so_stifling_and/
{ "a_id": [ "deehw0v" ], "score": [ 2 ], "text": [ "A lot of things in India are blamed on the British (including the 1000+ year old caste system). When it can't be blamed on the British it's blamed on Pakistan. When it can't be blamed on Pakistan it's blamed on India's less developed/poor states....
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[ [] ]
45vk91
why can most super cars barely break 200 mph yet land speed records back in the 1930s are over 300 mph?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45vk91/eli5why_can_most_super_cars_barely_break_200_mph/
{ "a_id": [ "d00hblj", "d00hcd4", "d00hiw2", "d00kg6p", "d00m103" ], "score": [ 177, 11, 57, 10, 2 ], "text": [ "because cars designed to break land speed records are purpose built for doing just that and only that...i.e. go down the bonneville salt flats in a strai...
[]
[]
[ [], [], [], [], [] ]
57g2i4
why do some mobile phones have a replaceable battery and some don't?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/57g2i4/eli5_why_do_some_mobile_phones_have_a_replaceable/
{ "a_id": [ "d8rnh7x", "d8rnwfo", "d8rso16" ], "score": [ 3, 2, 2 ], "text": [ "I suspect it's down to size. Adding clips and removable backs. Adding battery contacts etc are much harder than just a small snap on connection that never moves. It probably helps sell more phones as wh...
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[]
[ [], [], [] ]
1wij5l
what do fluoride tablets do to the human body?
When I was younger, I was given a fluoride tablet in my school daily—along with the rest of my class. I don't remember how many milligrams or grams it was, but it was a pretty small pill. I also remember it tasting good, not sweet like candy, but good. (Kinda tasted like diluted blueberry kool-aid.) I remember they did...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1wij5l/eli5_what_do_fluoride_tablets_do_to_the_human_body/
{ "a_id": [ "cf2aeuh", "cf2aez2", "cf2aiuu" ], "score": [ 2, 2, 3 ], "text": [ "I had them too! No clue why either :) Only guess is to protect teeth.", "No they arent bad for you at all. they probably gave it to you because you didnt have any fluoride in your natural water supp...
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[ [], [], [] ]
98a330
why dishwashers have sault compartment to soften water and washing machine do not ?
Why
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/98a330/eli5why_dishwashers_have_sault_compartment_to/
{ "a_id": [ "e4f6kr7", "e4g19za", "e4h43jm" ], "score": [ 4, 3, 2 ], "text": [ "The salt in the water can ruin the glass and dishes immediately but your clothes are more durable. ", "I like to think there's a portal to Sault St. Marie in my dishwasher, and that's where all the ...
[]
[]
[ [], [ "https://www.popularmechanics.com/home/interior-projects/how-to/a150/1275126/" ], [] ]
82g9k2
what's the point of blurring licence plates in videos?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/82g9k2/eli5_whats_the_point_of_blurring_licence_plates/
{ "a_id": [ "dv9svg7" ], "score": [ 4 ], "text": [ "at least here in germany it's law.\n\nyou're not allowed to film someone and publish it without their consent (there are exceptions, e.g. for famous people). so you're allowed to film traffic as a whole, but not single individuals in traffic. the...
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[ [] ]
7lz8g1
how do places like call centers have outgoing calls with the same identity (one phone #), but at home if someone is using the line we can't make calls?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7lz8g1/eli5_how_do_places_like_call_centers_have/
{ "a_id": [ "drq6sy3", "drq8zti" ], "score": [ 5, 2 ], "text": [ "It’s just a simple trick performed by call center software. The outgoing phones are all assigned a single identity that masks the actual number to display on the recipient’s caller ID.\n\nThis is similar to how companies can...
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[ [], [] ]
1owkfg
why little yappy dogs tend to think they can take on much larger animals, when they have absolutely no tricks up their sleeves to do so.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1owkfg/eli5_why_little_yappy_dogs_tend_to_think_they_can/
{ "a_id": [ "ccwcc4g", "ccwd2zq", "ccwflgx", "ccwfqzl", "ccwg2df", "ccwgbq2", "ccwgjuo", "ccwgqbi", "ccwgydm", "ccwh374", "ccwhqus", "ccwi7i0" ], "score": [ 84, 11, 7, 6, 2, 2, 4, 3, 2, 2, 3, 2 ], "text": [ "Be...
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[]
[ [], [], [], [], [], [], [], [], [], [], [], [] ]
2nztvs
why don't people get sick from eating raw meat in dishes like "mett"?
Pretty simple question. A lot of countries do this. I will use Germany as an example. They eat a dish of raw pork called Mett._URL_0_ Why aren't lots of Germans getting sick from this, and also why in many other western countries would this be illegal? Either it makes you sick and the Germans are crazy, or it doesn't ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nztvs/eli5_why_dont_people_get_sick_from_eating_raw/
{ "a_id": [ "cmie4oz", "cmie5pf" ], "score": [ 10, 6 ], "text": [ "Raw meat is perfectly healthy if the animal is well cared for and closely monitored for disease.\n\nIt's a lot cheaper and easier to let certain diseases or potential afflictions slide, and then to require that the meat be ...
[]
[ "http://en.wikipedia.org/wiki/Mett" ]
[ [], [] ]
atkqs0
when a battery is fully charged, where does the extra energy go?
Thank you everyone e! From what I understood, electricity qnd charging is like water and a faucet!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/atkqs0/eli5_when_a_battery_is_fully_charged_where_does/
{ "a_id": [ "eh1n06j", "eh2cnjo", "eh2el0j", "eh2es44", "eh2gre9", "eh2naab", "eh2oa03", "eh3l4c3", "ehb0yms" ], "score": [ 191, 19, 4, 12, 46, 5, 2, 2, 2 ], "text": [ "Your phone switches to being powered directly by your outlet. If ...
[]
[]
[ [], [], [], [], [], [], [], [], [] ]
6qcj3e
investing money for the future.
Does investing in gold have anyway of being useful for the future? And does gold really keep its value? I'd like to know more about the whole investing scene, for this reason all information is welcome about investing. I'm 17 looking to invest with money around 100$ to 300$. What would be the best options and why would...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6qcj3e/eli5investing_money_for_the_future/
{ "a_id": [ "dkw7gn7", "dkw7w9a", "dkw85za", "dkwftbd" ], "score": [ 4, 3, 3, 2 ], "text": [ "Your post may be removed as it asks such a broad question. But go to /r/investing for guidance. Start here: _URL_0_", "Gold's not a great investment, gold prices can swing wild...
[]
[]
[ [ "https://www.reddit.com/r/investing/wiki/faq" ], [], [], [] ]
1ou10k
how do people who own companies that are not profitable get paid?
That TIL about reddit not being profitable came up again and it got me thinking. If you own a company that doesn't make profit, how do you eat?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ou10k/eli5how_do_people_who_own_companies_that_are_not/
{ "a_id": [ "ccvl18n", "ccvlprj", "ccvlv3i", "ccvmy1u" ], "score": [ 26, 3, 2, 2 ], "text": [ "Profit is the excess money after those who work for the company have been paid. ", "Their salary factors into their debt. ", "Profitable is different than cash-flow. If ...
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[]
[ [], [], [], [] ]
b9eak9
why is it still not possible to send files bigger than 5 or 6 mb through email?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b9eak9/eli5_why_is_it_still_not_possible_to_send_files/
{ "a_id": [ "ek3wlrw", "ek3wq8e", "ek3xlkm", "ek404z5" ], "score": [ 17, 2, 7, 10 ], "text": [ "Unlike most internet services, email requires both the sender and the receiver to have a server, and the servers must cooperate. This means hundreds of kinds of email server must...
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[]
[ [], [], [], [] ]
1djoqz
how does the speaker option in phones not cause echo to the other person? do phones explicitly handle this?
If I turn on speaker option, how does the voice of my called coming out of my speaker not become input to my mic thus causing echo to my caller?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1djoqz/eli5_how_does_the_speaker_option_in_phones_not/
{ "a_id": [ "c9qybez", "c9qycsp", "c9qz4kk", "c9qzr3u", "c9r0zit", "c9r3eub", "c9r4mka", "c9rd1cg" ], "score": [ 3, 21, 550, 14, 2, 3, 13, 2 ], "text": [ "I'm interested to hear about how this is actually done.\n\nI can think of a number of w...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Cross-correlation" ], [], [], [], [ "http://www.youtube.com/watch?v=YuveKkmeFWg", "http://www.aaroncake.net/forum/uploaded/eng.zahir/2008551448_sine_wave.png" ], [], [], [] ]
6v8p7r
why is it harder in fps games to aim at a target that is above you, than at a target who is below you or on level ground?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6v8p7r/eli5_why_is_it_harder_in_fps_games_to_aim_at_a/
{ "a_id": [ "dlyi22z", "dlyly24", "dm004mf" ], "score": [ 5, 3, 2 ], "text": [ "Aiming works by setting your inclination with up/down movement and rotation with left/right movement. When you are aiming level your left/right movement with the control device matches with what happens...
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[]
[ [], [], [] ]
cgqbd9
with the history of large ships being taken over by "somali pirates" or whatnot, why aren't those vessels outfitted with mounted machine guns, and a couple gtfo rocket launchers?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cgqbd9/eli5_with_the_history_of_large_ships_being_taken/
{ "a_id": [ "eujlhyz", "eujlkfp", "eujo0n2" ], "score": [ 7, 12, 3 ], "text": [ "Most of these ships are civil. You'd need military personal for that and the approval of a country and the international community. And probably you can't just kill everybody just like that.", "The...
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[ [], [], [] ]
6gzmdr
what is the difference between synonymous snp, synonymous substitution and point mutation (or single-base modification)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6gzmdr/eli5_what_is_the_difference_between_synonymous/
{ "a_id": [ "diuj8sj" ], "score": [ 2 ], "text": [ "They all describe one DNA base being changed to a different base, for example A to G. The terms SNP (single nucleotide polymorphism), substitution, point mutation, and single base modification all mean this same thing. Although you should note th...
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[ [] ]
3wppv7
when my computer/xbox/etc. requires me to download an update, but there is zero noticeable change to anything afterwards, what is the update usually doing?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3wppv7/eli5_when_my_computerxboxetc_requires_me_to/
{ "a_id": [ "cxy28u8" ], "score": [ 2 ], "text": [ "usually any update that isn't a new number is just some type of bug fix, tweak, etc. You may not have noticed anything different, but certain programs may crash less frequently, or programs you haven't even used yet will work better when you do u...
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[ [] ]
3tq9np
why do most movie franchises get worse with each movie instead of better? do they not learn from the previous one(s)?
A lot of movie franchises I've seen; paranormal activity, Pirates of the Caribbean etc get worse reviews with every release, why aren't they getting better?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3tq9np/eli5_why_do_most_movie_franchises_get_worse_with/
{ "a_id": [ "cx89vcv" ], "score": [ 2 ], "text": [ "Because, often the sequels are made specifically to cash in on the popularity of the predecessors. \n\nThe first movie had to come up with an original cast and an interesting plot to gain the popularity. Then, when they make the sequel, they stop...
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[ [] ]
3inrvx
why are movie sequels almost always worse than their predecessor?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3inrvx/eli5_why_are_movie_sequels_almost_always_worse/
{ "a_id": [ "cui4sl3" ], "score": [ 3 ], "text": [ "Used to live next to Hollywood. You've heard the joke: Hollywood, home of the world's dumbest rich people? It's not a joke." ] }
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[ [] ]
st5pq
the "big rip" theory for the end of the universe.
I know that it has to do with the universe expanding until matter itself gets ripped into sub-atomic particles, but why or how is this feasible? Is it even feasible or is it just a fringe theory like Ancient Alien Theory?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/st5pq/eli5_the_big_rip_theory_for_the_end_of_the/
{ "a_id": [ "c4grn0c" ], "score": [ 20 ], "text": [ "This theory is currently possible. It isn't something completely out of left field or anything.\n\nThe universe is getting bigger. This is because space is expanding. The idea of space expanding is kind of tough to get your mind around at fir...
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3zss70
why are some infections/diseases name/described as "fungus"?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3zss70/eli5_why_are_some_infectionsdiseases/
{ "a_id": [ "cyoqplt", "cyoqr6c" ], "score": [ 3, 3 ], "text": [ "Fungi aren't *just* decomposers, they're a whole kingdom of life (like plants or animals). The yeasts you use in bread - and other kinds that naturally live on your skin - are fungi, for example.", "Because those disease...
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epsenc
- do nuclear weapons expire?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/epsenc/eli5_do_nuclear_weapons_expire/
{ "a_id": [ "felfmnt", "felh10i", "felhgok", "feljdl5" ], "score": [ 3, 2, 24, 11 ], "text": [ "Yes, eventually. The source material has a half life and over time it will slowly decay. Once this has happened to a large enough amount it will be longer be viable as a nuclear ...
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[ [], [], [], [] ]
1i8eqx
arabic music theory
I am not a musician, however i can read Western musical notation and know the very basics of Western music theory (terms like scale, chord, dominant 7th, counterpoint are not foreign to me). I am interested in the theoretical foundations of modern, classical Arabic music (e.g. the music of Abd el-Wahab, Umm Kulthum, Fa...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1i8eqx/eli5_arabic_music_theory/
{ "a_id": [ "cb2146q", "cb90vov" ], "score": [ 2, 2 ], "text": [ "I know we're not supposed to criticize posts just because a literal 5 year would wouldn't know or ask, but this probably needs a different sub since it's a something very few people would know about.", "Let me know if yo...
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a6jf4k
is it just humans that have such a hard time giving birth or is it just because we can express it?
Child birth is such a hard process but I've never seen a lot of animals struggle a lot with it. Are we just bad at or what?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a6jf4k/eli5_is_it_just_humans_that_have_such_a_hard_time/
{ "a_id": [ "ebvbznn", "ebvc3uu", "ebvlch6" ], "score": [ 10, 3, 2 ], "text": [ "Childbirth for women has higher death rates by far than animals. It’s a price that is paid for walking upright which narrows the path of the birth canal.\nEvolution dictated that the benefits derived f...
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[ [], [], [] ]
62lusr
why are old houses built better than new construction?
I own a home built in the 30s and everything in it is solid. Every door is made of real wood and has some heft to it. I have beautiful real hardwood in every room. There are little character details everywhere like special trim and a built in bookcase with cool matching arches on the doorways. Note, I do not own this g...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/62lusr/eli5_why_are_old_houses_built_better_than_new/
{ "a_id": [ "dfnj1fy", "dfnj8zb", "dfnjldb", "dfnk05b", "dfnka4h", "dfnm4a1", "dfnmyzv", "dfnogjd", "dfnrnty", "dfnxrl2", "dfnyp8e", "dfo8bmx", "dfo8wf8" ], "score": [ 5, 4, 4, 13, 14, 4, 3, 3, 6, 4, 2, 2, 2 ...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [] ]
38c4q7
how do machines use electric energy and gas power to move and operate?
How is the energy transferred to actual production like in the cases of a TV, fridge, or car?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38c4q7/eli5how_do_machines_use_electric_energy_and_gas/
{ "a_id": [ "crtxmnc" ], "score": [ 2 ], "text": [ "Gas power: The gas burns, expands, and pushes a piston. There's a big complicated thing to do this as efficiently and cheaply as possible, but that's the basics.\n\nElectricity: It depends on what the device is. If it's a motor, it uses electrici...
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5cf846
what do the u.s. supreme court justices actually do during a regular work day?
I don't mean "What is the role of the Supreme Court in general", but what does a Justices day look like? Do they sit in some library with stacks of old books, looking up various laws relevant to their current cases, or do other people working for them do that and make reports? Do they all show up at the Supreme Court ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5cf846/eli5_what_do_the_us_supreme_court_justices/
{ "a_id": [ "d9vzbus", "d9w6otx", "d9wb4og", "d9wbdzi" ], "score": [ 50, 6, 35, 5 ], "text": [ "A big part of what they do is deciding what NOT to decide on. Tens of thousands of cases are submitted to the supreme court every year, but they only have the time to decide on ...
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[ [], [], [], [ "https://en.wikipedia.org/wiki/List_of_law_clerks_of_the_Supreme_Court_of_the_United_States", "http://www.scotusblog.com/2015/05/academic-highlight-the-influence-of-the-supreme-court-clerk/", "http://iipdigital.usembassy.gov/st/english/publication/2013/02/20130211142365.html#axzz4PjZ...
65lxy8
dowsing or divining rods.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/65lxy8/eli5_dowsing_or_divining_rods/
{ "a_id": [ "dgbaskh" ], "score": [ 3 ], "text": [ "The person holding them takes their best guess as to where some object of desire is and subtly rotates them to face in that direction.\n\nIt's often used to 'find' water. It's a lot of made up rubbish so I'm sure different 'dowsers' have differen...
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4rjsax
how significant are the differences between modern and ancient greek, and what are the main differences?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4rjsax/eli5how_significant_are_the_differences_between/
{ "a_id": [ "d51rn0l" ], "score": [ 2 ], "text": [ "They share part of the grammar (modern is simpler) and many of the modern Greek word roots can be traced to the ancient ones. Having said that, it is practically impossible to use ancient Greek to communicate in modern Greece. The extend of the d...
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40mn09
why is heroin completely addictive from one hit, while other drugs can take several hits, or never at all produce the same results?
Just as the title suggests. Why is heroin so immensely addictive, and in such an absolute and relentless manner? One hit of heroin can produce a lifetime addiction, while other very strong drugs such as ecstasy, acid, shrooms, never produce the same results, or even near them. Even counting the accumulative effects of...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/40mn09/eli5_why_is_heroin_completely_addictive_from_one/
{ "a_id": [ "cyvcvcq", "cyvi4o8" ], "score": [ 5, 3 ], "text": [ "OK, simplified for ELI5: \nHeroin imitates a happiness hormone that our body normally produces in very small doses, endorphine. \nNow when you deliver a huge dose of that into your body (more than it could ever produc...
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dh6bdk
why so computers consume more power when doing intensive tasks when the computer efficiency is basically fixed at the cpu speed and even if computers are idle the cpu is still ticking at the same speed?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dh6bdk/eli5_why_so_computers_consume_more_power_when/
{ "a_id": [ "f3ix76b", "f3j5pju", "f3j8417", "f3l5kft" ], "score": [ 2, 6, 2, 16 ], "text": [ "Your CPU isn’t always ticking at the same speed, the advertised speed is it’s maximum. At idle it’s using significantly less power.", "No computer sold in the last 10+ years h...
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[ [], [], [], [] ]
9j6tf8
how do sites like youtube or twitch afford to host such huge amounts of video?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9j6tf8/eli5_how_do_sites_like_youtube_or_twitch_afford/
{ "a_id": [ "e6p3pyg" ], "score": [ 3 ], "text": [ "Advertising. They've really lowered the amount of money that content creators get on YouTube, but I guarantee they haven't lowered what they charge advertisers.\n\n & #x200B;\n\nAlso, as the amount of data you receive increases, the amount of sp...
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1zdcmc
why the t.a.b.c. stings in texas aren't considered entrapment.
The definition for entrapment reads: en·trap·ment noun \-mənt\ : the act of entrapping someone or something or the condition of being entrapped : the illegal act of tricking someone into committing a crime so that the person you have tricked can be arrested By this definition when TABC send underaged people to try to ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1zdcmc/eli5_why_the_tabc_stings_in_texas_arent/
{ "a_id": [ "cfsn82o", "cfsnqe0" ], "score": [ 2, 6 ], "text": [ "They aren't considered to be enticing people into committing a crime, because they are legally required to check ID for every person. ", "Well, first thing's first. Legal definitions of words are often different than di...
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[ [], [ "http://lawcomic.net/guide/?p=633" ] ]
1y1to3
- the evolutionary advantage of having a bladder.
Clearly it is more convenient now in our 21st century lifestyle, but why was having a bladder, and storing urine befofe releasing it periodically an advantageous characteristic in natural selection? Was it anything to do with marking territory?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1y1to3/eli5_the_evolutionary_advantage_of_having_a/
{ "a_id": [ "cfglfvt", "cfgljmr", "cfgljzt" ], "score": [ 3, 2, 11 ], "text": [ "The other option being to just dribble all the time? That sounds like a recipe for very unsanitary hypothermia....", "I'm not sure what our \"21st century lifestyle\" has to do with it. Most animal...
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[ [], [], [] ]
66ssda
how do credit card companies benefit from offering rewards cards if i pay off my account balance every month?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/66ssda/eli5_how_do_credit_card_companies_benefit_from/
{ "a_id": [ "dgkz9ss", "dgl2jhp", "dgl4p32" ], "score": [ 13, 2, 2 ], "text": [ "You forget that credit card companies get paid by the merchant for all transactions they process. Something like 2 percent plus a small base fee. The rewards you get are smaller than the fee they recei...
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[ [], [], [] ]
9rj61k
why does the whole body react to intake as well as excretion of really hot food?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9rj61k/eli5_why_does_the_whole_body_react_to_intake_as/
{ "a_id": [ "e8hbwgc", "e8hu54q", "e8iqgnh", "e8ixiwo" ], "score": [ 2, 2, 2, 2 ], "text": [ "What do you mean by \"hot\"?\n\nPurely on the temperature front: basically the organs in direct contact with the food have a resilience to temperature. Once in the body that heat i...
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[ [], [], [], [] ]
9bp81j
does video quality get worse by watching 21:9 content on a 16:9 screen?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9bp81j/eli5_does_video_quality_get_worse_by_watching_219/
{ "a_id": [ "e54pbup" ], "score": [ 2 ], "text": [ "Let us do some math:\n\n2560 x 1080 = 2,764,800 pixels.\n\n1920 x 1080 = 2,073,600 pixels.\n\nThe first has a third more pixels than the second. Now we have to consider, if the screen cannot display about 700,000 pixels from the source is the qua...
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4gu0n5
why do some wholesale businesses only sell to other businesses?
I recently tried to buy a large quantity of dill pickles for a BBQ, but was told by the supplier that unless I was a restaurant he was not able to sell to me. Why would this be? I understand not wanting the overhead of a storefront operation, but if a customer contacts the business one would think they would seize an ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4gu0n5/eli5_why_do_some_wholesale_businesses_only_sell/
{ "a_id": [ "d2ko5ma", "d2ko7sj", "d2koa5w", "d2kod3h", "d2koimw", "d2kojrz", "d2kopyr", "d2kpk5f", "d2kq0wc", "d2kq1wi", "d2kq5fj", "d2ktiix", "d2ktv8d", "d2ktzdp", "d2kv1sm", "d2kva0z", "d2kvike", "d2kvwv4", "d2kw455", "d2kw9kk", "d...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "https://www.gfs.com/en" ], [ "https://en.wikipedia.org/wiki/High-frequency_trading" ], [], [], [], [], [], ...
27ww5j
how can eating nutmeg kill you?
I've seen various explanations, such as here: _URL_0_, as well as people who say that this is just a joke that has gotten out of hand, I'm so confused.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/27ww5j/eli5_how_can_eating_nutmeg_kill_you/
{ "a_id": [ "ci56qyp", "ci56s91", "ci57l4e", "ci59tzf", "ci5hjjp" ], "score": [ 2, 5, 2, 3, 2 ], "text": [ "I have no idea if this is true or not but what's your question? Nearly anything can kill you if you have too much of it (even water)\n\nFrom what I googled, t...
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[ "http://idiotsguides.com/static/didyouknow/potpourri/07-22-11-nutmeg.html" ]
[ [], [ "http://www.fsijournal.org/article/S0379-0738%2800%2900369-8/abstract", "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1293919/pdf/jrsocmed00100-0067.pdf", "http://informahealthcare.com/doi/abs/10.1081/CLT-100102020" ], [ "https://www.erowid.org/experiences/subs/exp_Nutmeg.shtml", "htt...
45ss1g
why can anyone have a child but when it comes to adopting you need to be a fit parent?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45ss1g/eli5_why_can_anyone_have_a_child_but_when_it/
{ "a_id": [ "czzw187", "czzw776", "czzwjk8", "czzxacu", "d006gk5" ], "score": [ 10, 25, 3, 14, 2 ], "text": [ "A lot of people complain that it's a lot of money to pay for a child when you can just have one for free. And it is a lot of money. But the simple fact is ...
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anymaa
how does a mixer tap (faucet) that runs straight to a boiler know whether it's pointed at hot without an electric signal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/anymaa/eli5_how_does_a_mixer_tap_faucet_that_runs/
{ "a_id": [ "efwzt8i", "efx01og" ], "score": [ 3, 2 ], "text": [ "The handle controls the mix of hot and cold. Visually, it's a T where hot comes in from the left, cold from the right, and the handle adjusts the amount of hot let in to a cold mix from the middle. The valve allowing one or ...
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8udycs
why do memories degrade over time?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8udycs/eli5_why_do_memories_degrade_over_time/
{ "a_id": [ "e1ens1r" ], "score": [ 2 ], "text": [ "Because memories are like interconnected paths, not like storage bins. So your memory about the number likely got somehow connected to a memory about something else that involved 2400, and that pathway is more well-worn than the original one tha...
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b2iasq
why does the sun get easier to look at the lower it gets in the sky?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b2iasq/eli5_why_does_the_sun_get_easier_to_look_at_the/
{ "a_id": [ "eisr8va", "eisyme3", "eisynnj", "eit0bix", "eit1izd", "eit55ri", "eit58ta", "eita2lj", "eitc5ms", "eitdgam", "eitfe7z", "eith42a", "eitle3r", "eitnbio", "eiuj1un", "eiv2a8o" ], "score": [ 6954, 102, 722, 84, 5, 20...
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[ [], [], [], [], [], [ "https://imgur.com/YB4qP05", "https://imgur.com/qsVuCgb" ], [], [], [], [ "http://mrsgrether.org/index.php/textbook/chapter-11-seasons-layers-of-the-atmosphere-ozone/" ], [], [ "https://i.imgur.com/b97JwVM.jpg" ], [], [], [], [] ]
69dhak
how come some people are very confident when it comes to giving speeches and presentations, but suffer from high anxiety and insecurity when having a dialogue with someone or within a group?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/69dhak/eli5how_come_some_people_are_very_confident_when/
{ "a_id": [ "dh5q7ij", "dh5tbmi", "dh5ug65", "dh64zhz", "dh6c1f8" ], "score": [ 16, 2, 14, 4, 2 ], "text": [ "I think it's because for some people -including me- a crowd that you are presenting or performing to is just a \"mass of people\". they are too crowded for ...
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[ [], [], [], [], [] ]
o71sh
why we shouldn't use 2 feet for the accelerator and brake pedals in a car.
I've always heard that when driving a person should use only 1 foot to control the pedals. Wouldn't using one foot on each increase reaction time for breaking and accelerating?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/o71sh/eli5_why_we_shouldnt_use_2_feet_for_the/
{ "a_id": [ "c3evx2k", "c3ew9fc", "c3ew9pe", "c3ewh3h", "c3ext6p", "c3eynio" ], "score": [ 32, 10, 5, 15, 2, 2 ], "text": [ "Consider the brain's confusion trying to differentiate the need to press hard with the left foot versus the right foot. If you need t...
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[ [], [], [], [], [], [] ]
8dt177
why is 2% inflation better than 0%/no change?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8dt177/eli5_why_is_2_inflation_better_than_0no_change/
{ "a_id": [ "dxps63n", "dxpslf7", "dxpuxzn", "dxq2tnw", "dxq3bht", "dxq3nrg", "dxq5tuq", "dxq5wp3" ], "score": [ 51, 9, 27, 3, 2, 3, 3, 3 ], "text": [ "If your money is going to be worth less next year than it is now, then you have incentive ...
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[ [], [], [ "https://www.reddit.com/r/explainlikeimfive/comments/5l9yzq/eli5_why_is_inflation_considered_good_thing/", "https://www.reddit.com/r/explainlikeimfive/comments/6gsoox/eli5_why_is_a_small_inflation_rate_considered/", "https://www.reddit.com/r/explainlikeimfive/comments/1qemc1/eli5_why_is_th...
6uyp8k
why do tennis balls come in pressurised containers?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6uyp8k/eli5_why_do_tennis_balls_come_in_pressurised/
{ "a_id": [ "dlwd6rw" ], "score": [ 12 ], "text": [ "The air pressure inside the rubber balls tends to leak out over time, unless surrounded by equally pressurized air." ] }
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6j1fgf
how do humans intuitively recognize intelligence, e.g. in other species like say dolphins or apes?
I have never swam with dolphins, my SO has, and like many she says you can tell how intelligent they are. I feel like I've been able to immediately recognize intelligence in (tragically bored) apes in a zoo. What is going on there?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6j1fgf/eli5_how_do_humans_intuitively_recognize/
{ "a_id": [ "djapvez", "djarge6", "djav6lc", "djb4acy" ], "score": [ 3, 6, 11, 2 ], "text": [ "They don't, they presuppose if they see some behavior that seems intelligent. By researching they either confirm or deny it.", "I like the mirror test. It's supposed to test s...
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bz40mq
what’s stopping other animals from reaching our level of intelligence where we have the ability to create technology?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bz40mq/eli5_whats_stopping_other_animals_from_reaching/
{ "a_id": [ "eqpu1z4", "eqpuiir", "eqpxce1", "eqq58hq", "eqqzfdh" ], "score": [ 35, 15, 13, 24, 3 ], "text": [ "Intelligence is expensive. Your brain eats about about a quarter of your daily caloric intake. For most animals the added smarts aren't worth the cost.", ...
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[ [], [], [], [], [] ]
dc44jd
how the security works when high profile u.s officials(the president) go to other countries and are around their high profile officials, and vice versa? is the visiting country's security armed, does the local country force them to disarm, is everyone armed and just on edge, etc?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dc44jd/eli5_how_the_security_works_when_high_profile_us/
{ "a_id": [ "f25u8kw" ], "score": [ 15 ], "text": [ "Usually coordinators and a security team travel a couple weeks ahead and work everything out with the locals. How much you can get away with depends on the relative political power (and will) of the parties involved. The US President, for exampl...
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2r6kn4
why don't pregnant couples undergo the same scrutiny as couples who are adopting?
If two people plan a pregnancy, why is there no system in place requiring them to then register the pregnancy and complete paperwork similar to a couple that is attempting to adopt an infant. I was thinking about some of the experiences undergone by children in abusive homes and wondered if the amount of children born...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2r6kn4/eli5_why_dont_pregnant_couples_undergo_the_same/
{ "a_id": [ "cncxr9v", "cncxtdi", "cncxxsy", "cncy1ii", "cnd0orj", "cnd3bjw", "cnd3i9j" ], "score": [ 10, 8, 2, 2, 9, 3, 2 ], "text": [ "Because anyone (barring those with fertility issues) can easily get pregnant regardless of if they're qualified o...
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[ [], [], [], [], [ "https://www.reddit.com/r/DarkEnlightenment/comments/2r6wrq/eli5r_asked_why_dont_pregnant_couples_undergo_the/" ], [], [ "http://www.cosmopolitan.com/politics/news/a33587/tiffany-langwell-baby/" ] ]
avizdj
how can you stick your entire hand into an open flame[camp fire, lighter] for a few seconds with minimal damage, but touching a hot metal [stove] burns instantly?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/avizdj/eli5_how_can_you_stick_your_entire_hand_into_an/
{ "a_id": [ "ehfh598", "ehfhon2", "ehfvelr", "ehh3l6y" ], "score": [ 6, 503, 4, 8 ], "text": [ "Thermal mass! Air has very low thermal mass, and as such cannot transfer heat as quickly as things with higher thermal mass, such as metal.", "Air is a poor thermal conductor...
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8z1a0d
why are products like coca-cola so radically different in price depending on the size you buy?
Coke costs exactly the same to produce regardless of whether it’s packaged in a can and sold at 70c/L or in a 600ml bottle and sold for $10/L. What product best represents the true cost of coke?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8z1a0d/eli5_why_are_products_like_cocacola_so_radically/
{ "a_id": [ "e2f9li0", "e2f9m6m" ], "score": [ 14, 14 ], "text": [ "Both are the true cost of coke. Cost to produce of coke is under a cent a liter.\n\nBut cost to produce doesnt matter to anyone but the company,’what matters for the consumer is what price people are willing to buy it at. ...
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[ [], [] ]
2m2xrp
the difference between electricians and electrical engineers.
I know the whole "google it stupid" option but I've grown to trust you guys. That and I want a genuine answer as it might affect whether or not I apply for a 5 year program as an Electrician rather than try to find a new job, pay for classes, and find out that I don't want to be an Electrical Engineer.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2m2xrp/eli5_the_difference_between_electricians_and/
{ "a_id": [ "cm0gd4b", "cm0hq04", "cm0htyx", "cm0ib7x", "cm0kwpk" ], "score": [ 11, 4, 2, 3, 3 ], "text": [ "Well, electricians are almost always skilled workers, like plumbers, that you call if you physically need something wired or have a problem with your circuit...
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[ [], [], [ "http://en.wikipedia.org/wiki/Current_transformer" ], [], [] ]
3f7ojy
why are july and august the only consecutive months with the same number of days?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3f7ojy/eli5_why_are_july_and_august_the_only_consecutive/
{ "a_id": [ "ctm2g1q" ], "score": [ 3 ], "text": [ "There used to be 10 months, all with roughly 36 days. Ever notice some of the latin numerical prefexes in front of some months? -oct (8) nov- (9) dec- (10)? The romans added two months (august and july) for emperors augustus and julius caesar. Th...
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2p4a9z
why do satellites travel in a circular orbit when leaving towards another planet why can't they go in a straight path directly towards there destination ?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2p4a9z/eli5_why_do_satellites_travel_in_a_circular_orbit/
{ "a_id": [ "cmt7zw7", "cmt874k", "cmt8zdm" ], "score": [ 3, 2, 9 ], "text": [ "ever gone to a children's playground and tried to jump onto a moving roundabout?\n\ntry matching the speed whilst running around it as opposed to running directly at it\n\n(Nothing like conducting a pra...
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[ [], [], [] ]
27enz7
why do drive up atm's have brail buttons?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/27enz7/eli5_why_do_drive_up_atms_have_brail_buttons/
{ "a_id": [ "ci02bem", "ci02blw", "ci02fl6" ], "score": [ 2, 3, 2 ], "text": [ "Because if you are making ATM machines it's cheaper to make them all one way.", "You can walk up to a drive-up ATM.", "Because blind people walk around, and also because there are many blind peo...
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[ [], [], [] ]
3pphh3
what is the difference between idealism and solipsism?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3pphh3/eli5_what_is_the_difference_between_idealism_and/
{ "a_id": [ "cw8aq4i" ], "score": [ 2 ], "text": [ "Idealism, generally, holds that reality is purely mental. So, the desk I am sitting at exists as I perceive it only in my mind, and in reality outside of my mind, it exists in some other form--it could have a different shape, it could be some kin...
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2z0qgw
i saw a documentary (the illusion of time) that said that physically and mathematically there is nothing that says time (and events) should flow only forward. but doesnt this condradict thermodynamics?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2z0qgw/eli5i_saw_a_documentary_the_illusion_of_time_that/
{ "a_id": [ "cpenr3n", "cpeo51d", "cpeo9oa", "cpeon6y", "cpeqmjc", "cpeqwi6", "cper2sk", "cpeso4t", "cpeu4p2" ], "score": [ 7, 4, 2, 133, 23, 3, 2, 2, 47 ], "text": [ "Which part of thermodynamics do you think it contradicts?", "F...
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[ [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=BsKbwR7WXN4" ], [], [] ]
98iovc
how do entrepeneurs keep control of their company after being financed by venture capitalists?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/98iovc/eli5_how_do_entrepeneurs_keep_control_of_their/
{ "a_id": [ "e4k80yb" ], "score": [ 2 ], "text": [ "What is this magical strategy?\n\n**Execute your plan!**\n\nGive up on the crazy notion that you need to own more than 50% of your company. It’s a myth that your large ownership percentage will keep you in control.\n\nForget concocting some crazy...
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[ [ "https://www.quora.com/api/mobile_expanded_voter_list?key=VtDOwqUo7Lj&type=answer" ] ]
6vn64a
why out of nowhere you'll have to pee so bad you have to sprint to the bathroom.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6vn64a/eli5_why_out_of_nowhere_youll_have_to_pee_so_bad/
{ "a_id": [ "dm1idhy" ], "score": [ 2 ], "text": [ "Your brain filters out irrelevant and unnecessary sensory information for you. Think about how annoying it would be to get a \"bladder is 1% more full\" notification from your body every 2 minutes. If you are distracted, the \"bladder is getting ...
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5klgee
how come food with more calories doesn't fill you up quicker?
For example, if I eat the same amount of cake and apple slices, id be filled up the same amount by both, but obviously the cake has a lot more calories.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5klgee/eli5_how_come_food_with_more_calories_doesnt_fill/
{ "a_id": [ "dbormuc" ], "score": [ 3 ], "text": [ "The tension sense nerves in your stomach measure volume, not caloric content. The later would be very hard to sense, without digesting the food completely, and that is too slow a process to use for hunger sation." ] }
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1jrez2
why can't we alter/use mosquitoes to spread vaccines instead of diseases?
Im not thoroughly versed in the sciences, but if we can engineer viruses and have been able to sequence our own genetic code, why is this not possible, or if it is how could it be done? first post, Im pretty new to the reddit center of the interwebs.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1jrez2/eli5_why_cant_we_alteruse_mosquitoes_to_spread/
{ "a_id": [ "cbhjmed", "cbhjoky", "cbhjpy7" ], "score": [ 11, 24, 2 ], "text": [ "[We've already done this.](_URL_0_) \n\nHowever, that was only in laboratory conditions and there's still a lot of work to be done, but mosquito vaccination has been thrown around for the better part ...
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[ [ "http://news.sciencemag.org/health/2010/03/researchers-turn-mosquitoes-flying-vaccinators" ], [], [] ]
a4r2mk
what causes that 'gut feeling' that something is wrong?
Is it completely psychological, or there is more to it? I've always found it bizarre that more often than not, said feeling of impending doom comes prior to an uncomfortable or dangerous situation.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a4r2mk/eli5_what_causes_that_gut_feeling_that_something/
{ "a_id": [ "ebgz311", "ebh1sed", "ebh219v", "ebh2q18", "ebh2spr", "ebh3qmg", "ebh3s2m", "ebh3ykk", "ebh41rz", "ebh57qr", "ebh5nh2", "ebh7ub8", "ebh8w1u", "ebh92v9", "ebhcunn", "ebhfcgl", "ebhnz4d", "ebhqgot", "ebhu69b", "ebi19wg", "e...
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[ [], [], [], [ "https://en.wikipedia.org/wiki/Olfaction", "https://en.wikipedia.org/wiki/Motivation", "https://en.wikipedia.org/wiki/Long-term_memory", "https://en.wikipedia.org/wiki/Behavior", "https://en.wikipedia.org/wiki/Emotion" ], [], [], [], [ "https://en.m.wikipedia.or...
29vtxt
is it safer to use the tor network or, a regular browser right now?
recently there was some mention that those who used the Tor network will be tracked by the NSA, is it safer using Tor or another default browsing system like IE (internet explorer))?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/29vtxt/eli5is_it_safer_to_use_the_tor_network_or_a/
{ "a_id": [ "cip0coc" ], "score": [ 4 ], "text": [ "All these things that are supposed to guarantee your anonymity serve only to lull you into a false sense of security. Anyone who thinks they can do anything on the net completely anonymously is badly mistaken.\n\nThese services may well make it s...
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2gejyr
could texas vote for independence?
Quebec had a vote, Scotland will vote, for independence from their countries. Could Texas vote for independence from the United States?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2gejyr/eli5_could_texas_vote_for_independence/
{ "a_id": [ "ckicg9b", "ckicht3", "ckicjnp", "ckickkb", "ckiclvb", "ckid2sa", "ckie50x", "ckijcbn", "ckik9is" ], "score": [ 4, 7, 14, 2, 2, 2, 2, 3, 2 ], "text": [ "This will explain it better than I can.\n\n_URL_0_", "They tried ...
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[ [ "https://www.youtube.com/watch?v=S92fTz_-kQE" ], [], [], [], [], [], [], [], [] ]
23r13g
how do satellites know which direction to send a signal and how is that signal able to travel so far?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/23r13g/eli5_how_do_satellites_know_which_direction_to/
{ "a_id": [ "cgzrcnc" ], "score": [ 2 ], "text": [ "The signal can travel far because it is a light signal. Very low-energy light that's well below the wavelength that humans are able to see, but light nonetheless, which will move in the direction that you send it forever until it hits something....
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bita78
what's the difference between how a regular car suspension and a tank/continuous track vehicle suspension works?
A regular car just has four wheels that (generally) connect to a chassis. A continuous track vehicle has multiple wheels connected to a track. Does suspension for track vehicles work exactly like regular car suspension, albeit for more wheels?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bita78/eli5_whats_the_difference_between_how_a_regular/
{ "a_id": [ "em2y9gn" ], "score": [ 3 ], "text": [ "In principle they can work the same and a [Christie\\_suspension](_URL_0_) uses springs a lot like on cars today and a [drawing of it](_URL_3_) from a WWII Soviet T34 tank\n\nLeaf springs has also been used primary before WWII.\n\nMost tanks tod...
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[ [ "https://en.wikipedia.org/wiki/Christie_suspension", "http://www.panther-tanks.de/PSB2/PSB-200004.JPG", "http://4.bp.blogspot.com/-Dc7QCaIk-AM/URdVm3FAJwI/AAAAAAAABh8/3HDmcaiIQ8k/s1600/1359429901280.jpg", "https://art4clip.com/images/drawn-tank-t-34-10.jpg" ] ]
zo0d8
programming design patterns
Tried looking at the wikipedia entry, but didn't really understand it very well. Some terms I heard bandied about are things like singleton, factory, etc. Thanks!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/zo0d8/eli5_programming_design_patterns/
{ "a_id": [ "c668x2v" ], "score": [ 2 ], "text": [ "A lot of programs have to do the same kinds of task. There are more or less standardized ways to do that kind of task.\n\nThey're called design patterns." ] }
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5ah7lf
when subjected to extremely low temperatures, why does the voltage of a semiconductor increase, but the conductivity decrease?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5ah7lf/eli5_when_subjected_to_extremely_low_temperatures/
{ "a_id": [ "d9ggio6" ], "score": [ 3 ], "text": [ "Not quite sure what you mean by \"voltage of a semiconductor\", but I'll answer the conductivity question and we'll go from there.\n\nConductivity of a doped semiconductor depends on two things:\n \n* **Carrier concentration**: How many electrons...
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dfzrgb
why do some devices get permanently bricked? since no hardware is getting damaged while fiddling with the software, doesn't it stand to reason that it can simply be fixed by reverting back to its original state?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dfzrgb/eli5_why_do_some_devices_get_permanently_bricked/
{ "a_id": [ "f376x0n", "f38iqaz", "f38xtyv" ], "score": [ 5, 2, 2 ], "text": [ "There is a layer between hardware and software called firmware; this has to do with low-level operations that get hard-coded onto a small chipset (previously the BIOS, now there's a new format that I ca...
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2u96fd
how can a stock's initial public offering be one price, when it's opening price is something else? or for that matter, how can it have a previous closing price?
So I followed the Shake Shack IPO today, and while looking at [this info](_URL_0_) I noticed a few odd things. How can they sell a stock a day before it opens for trading for the first time (re: prev. close of $21/share) ? Also, if I had a broker and asked to buy at $21, would I get a share or did I have to buy at $4...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2u96fd/eli5_how_can_a_stocks_initial_public_offering_be/
{ "a_id": [ "co6andy" ], "score": [ 2 ], "text": [ "Shares do trade hands before the IPO but the people who can buy them are restricted to \"accredited investors\", an SEC classification that basically means \"so rich that if you make stupid investing decisions you have only yourself to blame if y...
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[ "http://finance.yahoo.com/q?s=SHAK" ]
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1w9ptd
how do teeth turn yellow? is it possible to simply brush your teeth for an hour to turn then (very) white?
Damn auto-correct, (obviously) then = them
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1w9ptd/how_do_teeth_turn_yellow_is_it_possible_to_simply/
{ "a_id": [ "cezyy2i", "cezyz8r", "cezz5ct", "cezzjna", "cezzkeg", "cezzm6g", "cezzpv8", "cezzt4w", "cezzt93", "cezzxuf", "cf00070", "cf00e9v", "cf016tp", "cf01hf1", "cf01n9k", "cf01q0a", "cf01s8a", "cf01uxj", "cf021em", "cf022h5", "c...
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45pt89
why do some car engines move a little to the side when you press the gas pedal?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45pt89/eli5why_do_some_car_engines_move_a_little_to_the/
{ "a_id": [ "czzgc7r", "czzk19b", "czzkm94", "czzlbc8", "czzmcwb" ], "score": [ 5, 41, 128, 2, 8 ], "text": [ "Angular momentum. If I understand what you're asking that is.\n\nLet us say you're riding a bike at a low speed, notice how much effort you have to put in ...
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3aoe15
how come we (humans) identify ourselves as people and talk about our own brains as an organ, even tho we are a brain? why does this 'separation' between brain and consciousness/person exist?
Is that where the idea of a soul came from?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3aoe15/eli5_how_come_we_humans_identify_ourselves_as/
{ "a_id": [ "cseh0bs", "cseh1o9" ], "score": [ 3, 2 ], "text": [ "Because the consciousness **is** the person. The brain (and the rest of the body for that matter) is simply the housing, so the conscious entity refers to \"my arm\", \"my leg\", \"my brain\"", "It's a lot easier for peo...
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6vj4ai
who decides what words mean what in every language?
For example. There is a translation for thank you in almost every language but who decided in each language what the word is?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6vj4ai/eli5_who_decides_what_words_mean_what_in_every/
{ "a_id": [ "dm0kiet", "dm0kq1l", "dm0ri04", "dm0slzy" ], "score": [ 2, 12, 7, 2 ], "text": [ "The people who speak the language decide what the words mean. The definition changes over time, as people get new ideas and hear other languages.\n\nJust look at English, the wor...
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mwr2i
darknet/meshnet plan
Sounds and looks cool. But I don't understand much of anything it's talking about...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/mwr2i/eli5_darknetmeshnet_plan/
{ "a_id": [ "c34ksae", "c34ksae" ], "score": [ 2, 2 ], "text": [ "Let's say you are in a huge room with tons of other people. If you need information or to find someone, you can just walk around and find them. You're in the internet, which is all the interconnected computers in the world.\...
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2d574e
what's better for your body? 50 push-ups in the evening or 50 push-ups in the morning and why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2d574e/eli5_whats_better_for_your_body_50_pushups_in_the/
{ "a_id": [ "cjm6dj3", "cjm7hue" ], "score": [ 11, 2 ], "text": [ "50 in the morning. Combine it with a nice 5 minute stretch, you'll be slightly more alert and awake afterward and your metabolism has been given a quick little boost.\n\nWhereas at night, knocking out 50 pushups would hinde...
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26yoxw
since gender is considered fluid rather than binary, what is the point of sexual reassignment surgery and how is it considered more than cosmetic?
First off, ELI5 seems like the perfect place to ask this, as honestly I think this is the kind of thing we should be explaining to 5 year olds. But on to my question. If one truly believes gender is fluid and that there is no set "male or female," why is gender reassignment surgery pushed so hard by the trans communit...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/26yoxw/eli5_since_gender_is_considered_fluid_rather_than/
{ "a_id": [ "chvqkqb", "chvqp0x", "chvu2qu", "chvvdwf" ], "score": [ 10, 3, 3, 2 ], "text": [ "That's assuming that everyone holds the same beliefs about the fluidity of gender. Not everybody who wants sexual reassignment surgery believes that gender is completely fluid. So...
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[ [], [], [], [ "http://imgur.com/a/PuYpA" ] ]
20h5x8
how do babies breathe/live during the birthing process in between the fluid-filled womb and the air-filled world? how do they not suffocate during the pushing process?
My first child was born recently and as my wife was pushing I had this thought and almost went into panic mode. Thanks in advance for the help!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/20h5x8/eli5_how_do_babies_breathelive_during_the/
{ "a_id": [ "cg3699d", "cg36but", "cg36zl1", "cg37wlw", "cg38fr7", "cg393os", "cg3a6i6", "cg3aa4j", "cg3as99", "cg3b85i", "cg3byok", "cg3egr3", "cg3evoj", "cg3fpas", "cg3gccp", "cg3gxcs", "cg3k6gq", "cg3mnen", "cg3o4xx", "cg3q1t3", "c...
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[ [], [], [], [], [ "https://www.youtube.com/watch?v=CXsiLoQL6NE" ], [], [ "http://en.wikipedia.org/wiki/Liquid_breathing#Proposed_uses" ], [], [], [], [], [], [ "https://www.youtube.com/watch?v=CXsiLoQL6NE" ], [], [], [], [ "https://en.wikipedia.org/wiki/Afterbir...
2xi49w
why don't eyelashes keep growing, like the hair on your head, or fingernails?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2xi49w/eli5why_dont_eyelashes_keep_growing_like_the_hair/
{ "a_id": [ "cp0acfz", "cp0briz", "cp0c1wa" ], "score": [ 17, 4, 7 ], "text": [ "Each zone on our body has a different amount of time for the life cycle of the hair, when the hair stops growing, it falls off. That's why you can shave your arms and it'll grow back to normal.", "...
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5tym8j
why do men and women have different passing standards for physical tests like firefighting or the military?
Why should they have different standards, if someone needs to carry a 200 pound person out of a building, they're not going to be lighter if a female is carrying them.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5tym8j/eli5why_do_men_and_women_have_different_passing/
{ "a_id": [ "ddq115g", "ddq2rrp", "ddq57g0", "ddq6uf1", "ddqcqg2" ], "score": [ 3, 2, 8, 3, 7 ], "text": [ "As far as I know, firefighters aren't *supposed* to have different standards for hiring females, but some departments lower their standards or fudge scores in...
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